Punch Lock Riveter To join metal section sheets used in dry walling for dividing walls and drop ceilings, without needing screws or rivets. For U- and C-shaped sections with max 1.2 mm metal (2 x 0.6 mm). Minimum handforce required due to optimum lever transmission. - Capacity in millimetres: max. 1.2 (2 x 0.6)